diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-03-19 11:38:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-03-20 10:01:59 +0100 |
| commit | b6e05477c10c12e36141558fc14f04b00ea634d4 (patch) | |
| tree | 10fa56168c0fdeb896a6c845fadac8bbd112f554 /arch/powerpc/include | |
| parent | e7de6c7cc207be78369d45fb833d7d53aeda47f8 (diff) | |
| download | linux-b6e05477c10c12e36141558fc14f04b00ea634d4.tar.bz2 | |
dma/direct: Handle the memory encryption bit in common code
Give the basic phys_to_dma() and dma_to_phys() helpers a __-prefix and add
the memory encryption mask to the non-prefixed versions. Use the
__-prefixed versions directly instead of clearing the mask again in
various places.
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Muli Ben-Yehuda <mulix@mulix.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: iommu@lists.linux-foundation.org
Link: http://lkml.kernel.org/r/20180319103826.12853-13-hch@lst.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/dma-direct.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/dma-direct.h b/arch/powerpc/include/asm/dma-direct.h index a5b59c765426..7702875aabb7 100644 --- a/arch/powerpc/include/asm/dma-direct.h +++ b/arch/powerpc/include/asm/dma-direct.h @@ -17,12 +17,12 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) return addr + size - 1 <= *dev->dma_mask; } -static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) +static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr) { return paddr + get_dma_offset(dev); } -static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) +static inline phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr) { return daddr - get_dma_offset(dev); } |